From f593f14bfb209d624eea17f3f1b5af50795c49ca Mon Sep 17 00:00:00 2001
From: Todd Lipcon <todd@apache.org>
Date: Tue, 1 Feb 2011 22:25:26 +0000
Subject: [PATCH] HADOOP-7129. Fix typo in method name getProtocolSigature.
 Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1066248 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES.txt                                      |  2 ++
 .../org/apache/hadoop/ipc/ProtocolSignature.java | 16 ++++++++++++++--
 .../org/apache/hadoop/ipc/VersionedProtocol.java |  2 +-
 3 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index 9fe0bf3d7a..2622a7521e 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -61,6 +61,8 @@ Trunk (unreleased changes)
     HADOOP-6939. Inconsistent lock ordering in
     AbstractDelegationTokenSecretManager. (Todd Lipcon via tomwhite)
 
+    HADOOP-7129. Fix typo in method name getProtocolSigature (todd)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES
diff --git a/src/java/org/apache/hadoop/ipc/ProtocolSignature.java b/src/java/org/apache/hadoop/ipc/ProtocolSignature.java
index 8d4890c1ae..e3d1c3e4bd 100644
--- a/src/java/org/apache/hadoop/ipc/ProtocolSignature.java
+++ b/src/java/org/apache/hadoop/ipc/ProtocolSignature.java
@@ -225,7 +225,7 @@ static ProtocolSignature getProtocolSignature(
    * @throws IOException if any error occurs
    */
   @SuppressWarnings("unchecked")
-  public static ProtocolSignature getProtocolSigature(VersionedProtocol server,
+  public static ProtocolSignature getProtocolSignature(VersionedProtocol server,
       String protocol,
       long clientVersion, int clientMethodsHash) throws IOException {
     Class<? extends VersionedProtocol> inter;
@@ -238,4 +238,16 @@ public static ProtocolSignature getProtocolSigature(VersionedProtocol server,
     return ProtocolSignature.getProtocolSignature(
         clientMethodsHash, serverVersion, inter);
   }
-}
\ No newline at end of file
+
+  /**
+   * @deprecated Misspelled method name - to be removed after references
+   * to this typo have been fixed in HDFS and MapRed.
+   */
+  @Deprecated
+  public static ProtocolSignature getProtocolSigature(VersionedProtocol server,
+      String protocol,
+      long clientVersion, int clientMethodsHash) throws IOException {
+    return getProtocolSignature(server, protocol, clientVersion,
+        clientMethodsHash);
+  }
+}
diff --git a/src/java/org/apache/hadoop/ipc/VersionedProtocol.java b/src/java/org/apache/hadoop/ipc/VersionedProtocol.java
index 352f2599f0..4558f2150d 100644
--- a/src/java/org/apache/hadoop/ipc/VersionedProtocol.java
+++ b/src/java/org/apache/hadoop/ipc/VersionedProtocol.java
@@ -45,7 +45,7 @@ public long getProtocolVersion(String protocol,
    * @param clientMethodsHash the hashcode of client protocol methods
    * @return the server protocol signature containing its version and
    *         a list of its supported methods
-   * @see ProtocolSignature#getProtocolSigature(VersionedProtocol, String, 
+   * @see ProtocolSignature#getProtocolSignature(VersionedProtocol, String, 
    *                long, int) for a default implementation
    */
   public ProtocolSignature getProtocolSignature(String protocol,